fluidattacks-blends-domain 0.5.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46

use alloc::borrow::ToOwned;

use crate::query::{label_text, pred_ast};
use crate::syntax::builders::import_module::build_import_module_node;
use crate::syntax::fields::javascript::{import_specifier, import_statement};
use crate::syntax::readers::javascript::common::strip_quotes;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::utilities::text_nodes::node_to_str;
use crate::{CodeGraph, NodeId};

#[expect(
    clippy::unnecessary_wraps,
    reason = "the signature must match the reader dispatch table"
)]
pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let stmt_id = pred_ast(graph, n_id, Some(-1))
        .into_iter()
        .find(|id| graph.label_type(*id) == Some("import_statement"));
    let mut expression = stmt_id
        .and_then(|id| args.required_field_alt(id, import_statement::SOURCE).ok())
        .map(|source_id| strip_quotes(&node_to_str(graph, source_id)))
        .unwrap_or_default();

    let identifier = args
        .required_field_alt(n_id, import_specifier::NAME)
        .ok()
        .and_then(|id| label_text(graph, id))
        .map(ToOwned::to_owned)
        .unwrap_or_default();
    expression.push('.');
    expression.push_str(&identifier);

    let alias = args
        .optional_field_alt(n_id, import_specifier::ALIAS)
        .map_or(Some(identifier), |alias_id| {
            label_text(graph, alias_id).map(ToOwned::to_owned)
        });

    Ok(Some(build_import_module_node(
        args, n_id, expression, alias,
    )))
}